<ARTICLE> UT <LEGEND> This schedule contains summary financial information extracted from the financial statements of Northern Indiana Public Service Company for three months ended June 30, 2000 and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> APR-01-2000 <PERIOD-END> JUN-30-2000 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 2,911,133 <OTHER-PROPERTY-AND-INVEST> 2,662 <TOTAL-CURRENT-ASSETS> 365,077 <TOTAL-DEFERRED-CHARGES> 194,728 <OTHER-ASSETS> 181,024 <TOTAL-ASSETS> 3,654,624 <COMMON> 859,488 <CAPITAL-SURPLUS-PAID-IN> 12,525 <RETAINED-EARNINGS> 132,900 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,004,913 <PREFERRED-MANDATORY> 52,480 <PREFERRED> 81,114 <LONG-TERM-DEBT-NET> 313,601 <SHORT-TERM-NOTES> 107,400 <LONG-TERM-NOTES-PAYABLE> 607,025 <COMMERCIAL-PAPER-OBLIGATIONS> 127,000 <LONG-TERM-DEBT-CURRENT-PORT> 3,000 <PREFERRED-STOCK-CURRENT> 1,528 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 1,356,563 <TOT-CAPITALIZATION-AND-LIAB> 3,654,624 <GROSS-OPERATING-REVENUE> 385,284 <INCOME-TAX-EXPENSE> 23,573 <OTHER-OPERATING-EXPENSES> 301,211 <TOTAL-OPERATING-EXPENSES> 324,784 <OPERATING-INCOME-LOSS> 60,500 <OTHER-INCOME-NET> 1,256 <INCOME-BEFORE-INTEREST-EXPEN> 61,756 <TOTAL-INTEREST-EXPENSE> 18,819 <NET-INCOME> 42,937 <PREFERRED-STOCK-DIVIDENDS> 0,000 <EARNINGS-AVAILABLE-FOR-COMM> 42,937 <COMMON-STOCK-DIVIDENDS> 57,000 <TOTAL-INTEREST-ON-BONDS> 0 <CASH-FLOW-OPERATIONS> 11,417 <EPS-BASIC> 0 <EPS-DILUTED> 0